Heat Ques 13

Question: The regions of compressions and rare fractions of sound wave are-established because

Options:

A) the sound wave undergoes diffraction behind obstacles

B) the reflected sound wave at fixed end interferes with the incident wave

C) the longitudinal movement of air molecules produce pressure fluctuations

D) the speed of the sound wave changes as it travels through a medium

Show Answer

Answer:

Correct Answer: C

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